Jobs at Leidos

26,589 open positions

Leidos is a leading technology and engineering company that delivers solutions for defense, civil, and health agencies. With a focus on cyber, AI, and systems integration, Leidos helps clients protect critical infrastructure and innovate across national security and public health.

Leidos hires a wide spectrum of talent—from software engineers and data scientists to cybersecurity analysts, systems integrators, and project managers. Candidates can expect competitive benefits, continuous learning opportunities, and projects that have real‑world impact on government and commercial customers.

Checking Leidos listings on Job Transparency gives you instant access to salary ranges, employee sentiment, and market benchmarks, letting you negotiate confidently and find the best match for your career goals.

Senior Optical Design Engineer

Company: Leidos

Location: San Diego, CA

Posted Oct 04, 2024

Leidos Innovations Center is seeking a Senior Optical Design Engineer for a role in San Diego, CA or Dayton, Ohio. The position involves developing disruptive optical technologies for future space systems, reducing size, weight, power, and cost of compact satellite optical payloads, and enhancing performance. Responsibilities include working with current optical designers, investigating new optics, and serving as a Principal Investigator on Contract R&D efforts. The ideal candidate should have a Bachelor's degree in Engineering, Physics, Optics, or equivalent field with 8-12 years of experience, and be a U.S Citizen. Expertise in optics design, performance evaluations, fabrication and characterization of optics, and proficiency in design tools like Zemax or Code V are required. Excellent communication skills and a mission-oriented approach are also necessary.

Partner Support Analyst

Company: Leidos

Location: Reston, VA

Posted Oct 04, 2024

The Leidos Digital Modernization Sector is hiring a Partner Support Analyst in Reston, VA. The role involves managing relationships with key partners to drive strategic objectives, advocating for select cloud and data center partners, and promoting synergistic co-development and go-to-market initiatives. The ideal candidate should have a Bachelor's degree, 8+ years of professional experience, and a strong understanding of partnership management or project planning. Preferred qualifications include knowledge of hyperscaler capabilities and GTM strategies, strategic problem-solving skills, and the ability to multitask.

Substation P&C Designer

Company: Leidos

Location: Remote

Posted Oct 04, 2024

Leidos, a Fortune 500 company and one of Ethisphere Institute's 'World's Most Ethical Companies', is seeking a skilled P&C Designer for a remote opportunity. The role involves designing substation protection and control drawing packages for electric power substations from 12kV to 500kV in AutoCAD Electrical design software. The successful candidate will gain skills in electrical power calculations, interactions with other disciplines, and time management. Proficiency in AutoCAD Electrical with SDS, and 2+ years of substation protection and control design experience are preferred. Leidos offers a fast-paced, diverse work environment, flexible work hours, and opportunities for career development and growth.

Quality Assurance Manager

Company: Leidos

Location: Columbia, MD

Posted Oct 04, 2024

Leidos is offering a rewarding career opportunity for a Quality Assurance Manager in the Cyber & Analytics Business Area. The role involves managing program instantiation of the Quality Management System (QMS), deploying and implementing appropriate QMS processes, and integrating closely with the program team. The successful candidate will be an agent for change, possess high energy, have a passion for quality, and be self-motivated. The position requires a current DoD TS/SCI with Poly security clearance. The mission of Leidos National Security Sector is to provide a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide.

Senior Design Engineer

Company: Leidos

Location: Huntsville, AL

Posted Oct 04, 2024

The Rapid Integration and Prototyping Department at Leidos Defense Systems Sector in Huntsville, AL is seeking experienced Mechanical and Electrical Design Engineers. This role involves designing, fabricating, integrating, testing, and fielding systems within months, not decades. Engineers will work on diverse projects, including structural design, thermal dissipation solutions, and custom electronics enclosures. They will maintain design ownership throughout the project lifecycle, collaborate with multi-disciplinary teams, and coordinate with purchasing and manufacturing departments. Basic qualifications include a Bachelor's or Master's degree, experience with CAD software, PDM/PLM systems, and strong communication skills. Preferred qualifications include GD&T competency, Solidworks Simulation and Flow Sim experience, cable design experience, and MATLAB proficiency.

Program Manager

Company: Leidos

Location: Ashburn, VA

Posted Oct 04, 2024

Leidos is looking for a Senior Program Manager to lead a large, complex program for Customs and Border Protection (CBP). The role involves developing, modernizing, enhancing, operating, and maintaining CBP systems using agile methodologies and DevSecOps practices. The PM will be responsible for delivering all functionalities to CBP, managing a team of over 400 personnel, and setting the technical vision and roadmap for the applications/systems in the CBP portfolio. The ideal candidate should have PMP certification, experience with SDLC models, cloud-enabled solutions, and a background in CBP or DHS.

Principal Full Stack Developer

Company: Leidos

Location: Reston, VA

Posted Oct 04, 2024

Leidos is seeking a Principal Full Stack Developer with extensive experience in Agile DevOps, Java, Angular, Spring, and C2S. The candidate will participate in all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. They will also develop and integrate custom software solutions, coordinate with team members, and ensure alignment with customer use cases. The role requires excellent communication skills, proficiency in version control systems, and experience with cloud data services. A Bachelor's degree with 12+ years of experience or a Master's with 10+ years of experience is required, along with an active TS/SCI with Poly.

Air Force Acquisition Operational Energy Analyst

Company: Leidos

Location: Dayton, OH

Posted Oct 04, 2024

Leidos is seeking an Acquisition Operational Energy Analyst for the Deputy Assistant Secretary of the Air Force for Operational Energy at the Pentagon in Arlington, VA. The role involves coordinating, consolidating, and maintaining programmatic documents, providing updates to leadership, and participating in strategic planning activities. The ideal candidate will have a Bachelor's degree and at least 8 years of relevant USAF acquisition/operations experience, along with strong technical writing and communication skills. The pay range is $87,100.00 - $157,450.00.

Systems Integrator SME

Company: Leidos

Location: Reston, VA

Posted Oct 04, 2024

Leidos is seeking a Systems Integrator for a prestigious program delivering modern Identity Access Credential Management (ICAM) solutions. The role involves working with customers to understand mission needs, analyze business processes, and coordinate with the internal technical team. The ideal candidate will have an active TS/SCI with Polygraph, a Master's degree with 15+ years of relevant experience, and proven ability in project management, creating management plans, and documenting issues. The company offers great benefits, including paid time off, flexible schedules, and career growth opportunities.

Project Planner

Company: Leidos

Location: Bedford, United Kingdom

Posted Oct 04, 2024

The job posting is for a Project Planner position based in Kempston, with occasional travel to customer sites. The role is permanent, with a salary range of £35k to £45k depending on experience. The company offers paid overtime and significant increments for Project Managers. The successful candidate will support critical automation projects within the automotive industry, working closely with PMO, development, and other project teams. The role involves developing detailed schedules, managing risks, and communicating with stakeholders. The company values problem-solving, development, and growth, offering a competitive package with benefits such as a pension scheme, private medical insurance, and flexible benefits. The ideal candidate should have experience in project planning and scheduling, ideally in the automotive sector, with in-depth knowledge of Microsoft Projects. They should be comfortable working independently and collaboratively, have excellent communication skills, and be able to obtain and maintain BPSS clearance.

Information Assurance Engineer

Company: Leidos

Location: Gaithersburg, MD

Posted Oct 04, 2024

Leidos is seeking an Information Assurance Engineer for a position in Gaithersburg, MD. The ideal candidate should have a strong background in information security, experience in DevSecOps, and career goals of becoming a Chief Information Security Officer or Security Architect. The role involves ensuring the security well-being of IT operating environments, conducting regular security assessments, and developing security documents. The candidate must be able to work independently in a fast-paced environment and possess excellent communication skills. Active certifications such as CISSP, CISA, CISM, or CCSP are required. The pay range is $101,400.00 - $183,300.00.

Software Developer

Company: Leidos

Location: Reston, VA

Posted Oct 04, 2024

Leidos is seeking a Software Developer for a prestigious program involving Identity Access Credential Management (ICAM) solutions. The role requires expertise in Cloudformation scripts, Python, Java, and AWS. Benefits include competitive pay, flexible schedules, and opportunities for career growth. The company values its employees, offering education and training support, parental leave, and various celebratory events.

Frequently Asked Questions

What is it like to work at Leidos?
Leidos offers a collaborative environment focused on mission‑driven projects. Employees benefit from flexible work arrangements, competitive health coverage, and tuition‑support programs. The culture emphasizes continuous learning, with internal training and certification pathways for cybersecurity, cloud, and data science.
What types of positions are available at Leidos?
Leidos needs talent in software development, data analytics, AI research, cybersecurity, systems engineering, project management, and technical writing. Roles range from entry‑level developers to senior architects, with opportunities in cloud platforms, edge computing, and defense‑grade systems.
How can I stand out as a Leidos applicant?
Tailor your resume to highlight mission‑aligned projects, quantify results, and list relevant certifications (e.g., CISSP, AWS Certified Solutions Architect). Showcase problem‑solving through portfolio or code samples, and mention experience with agile or defense‑grade standards. Leverage employee referrals through the Leidos LinkedIn group and prepare to discuss how your background supports national security or public‑health initiatives.

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